Grain size and hardness of hot rolled Q235 steel were studied by means of heat treatment to simulate typical fire temperature time process.
模拟典型火灾温度时间曲线，对热轧的Q 2 35钢钢筋进行受热处理，测定在不同火灾温度下q 2 35钢的晶粒度和硬度。
However, the martensitic matrix of high-chromium cast iron has excellent abrasion-resistant tissues, which used to be obtained only by means of heat treatment.
具有马氏体基体的高铬铸铁，有理想的耐磨组织，但通常要通过热处理才能得到。
It reviews the progress in the research on kaolin modification by means of heat treatment and chemical process as well as the application of kaolin in synthetic zeolite.
总结了国内在高岭土热处理改性、化学改性及其在合成沸石中应用的研究进展。
In regard to non wear resistance of the white iron shot in the practical application process, alloy iron shot have been produced by means of adding alloying element and proper heat treatment.
针对白口铁丸在实际应用过程中不耐磨易破碎的现象，在白口铸铁中通过添加合金元素及适当热处理等手段生产合金铁丸。
The shrinkage and crimp behavior of CDP-FDY fibers at different drawn temperature after heat treatment are studied by means of boiling water shrinkage, hot shrinkage, crimp ratio and crimp rigidity.
通过沸水收缩率、干热收缩率、卷曲度、卷曲弹性率等一系列测试方法讨论了不同拉伸温度的CDP - FDY纤维热处理后的收缩和卷曲性能。
The ways of improving the toughness of white cast iron Were reviewed by means of low-alloying, modification, hot plast deformation, casting and heat treatment.
从低合金化、变质处理、热塑性变形、铸造和热处理等几个方面，综述了国内提高普通白口铸铁韧性研究的进展情况。
The effect of re modification and heat treatment on impact fatigue property of low chromium cast semi steel was studied by means of impact fatigue test.
利用冲击疲劳试验，研究了稀土变质及热处理对低铬半钢抗冲击疲劳性能的影响。
The low temperature toughness of low temperature steel can be improved effectively by means of adjusting alloy ingredients and modifying heat-treatment regime.
通过调整合金成份和改变热处理制度试验，有效地提高了低温钢的低温韧性。
The relationship of the size of silver halide crystallites with heat treatment temperature has been studied by means of small-angle X-ray scattering (SAXS).
用X射线小角散射SAXS研究了光色玻璃中卤化银微晶尺寸同热处理温度的关系。
The technical investigation of relieving residual stress on the surface of rectangular cold drawn section by means of high temperature heat treatment was provided.
提出用高温近火方法来改善矩形截面冷拔型钢表面残余应力的工艺探索。
A kind of fine and equiaxed crystal structure of LF6 aluminum alloy plate material is obtained by means of the technique of deformation heat treatment.
采用形变热处理工艺，使工业用LF 6合金板材得到细小、等轴的晶粒组织。
Influence by the factors involved in the heat treatment process on the mechanical properties of the oil casing is analyzed by means of relevant orthogonal test.
通过正交试验，研究了热处理工艺因素对石油套管力学性能的影响。
In the paper, the samples of polyethylene threphthalate (PET) under the different shaping techniques and heat treatment conditions have been studied by means of TMA and DSC methods.
本文采用热机械分析（TMA）和差示扫描量热分析（DSC）等实验手段，对不同成型工艺和预热处理条件下的PET试样进行了研究。
The effect of heat treatment on hardness and impact toughness of polynary Copper alloy has been studied by means of metallographic, XRD, SEM/EDS, TEM and mechanical property test.
文章通过金相、 X射线衍射（XRD）、扫描电镜（SEM/EDS）及透射电镜（TEM）和力学性能分析方法研究不同热处理工艺对含多元合金元素铜合金硬度和冲击韧性的影响。
The mechanisms of stability of the sols and film formations were discussed. The evolutions of the structure of films after heat treatment are discussed by means of TG DTA and IR analysis.
并讨论了溶胶稳定和成膜的机理，通过TG- DTA和IR分析探讨了固体薄膜在热处理过程中的结构变化。
The steel and the heat treatment process of fine heavy load drift was determined by means of production tests. And the satisfactory result was obtained.
经应用试验，确定了精密重载冲孔模的用材及热处理工艺，获得满意的效果。
Before 1949, Beijing has heat treatment furnace, salt dissolved by thermocouples means furnace, quenching and tempering, parts of annealing, normalizing, quenching and tempering, carburizing and etc.
热处理1949年前，北京已采用电炉、盐溶炉、热电偶等手段进行零件退火、回火、淬火、正火、调质、渗碳等热处理。
Before 1949, Beijing has heat treatment furnace, salt dissolved by thermocouples means furnace, quenching and tempering, parts of annealing, normalizing, quenching and tempering, carburizing and etc.
热处理1949年前，北京已采用电炉、盐溶炉、热电偶等手段进行零件退火、回火、淬火、正火、调质、渗碳等热处理。
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